Version bump to SD1A.210817.015.A1 [core/build_id.mk]

Change-Id: I4e55ec234f70630e06a0417ea4303a3d12482413
diff --git a/core/build_id.mk b/core/build_id.mk
index fea753e..18a340e 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=SD1A.210817.015
+BUILD_ID=SD1A.210817.015.A1